10 % Variable Resistors 818

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Part RoHS Manufacturer Resistor Type Mounting Type Resistance Rated Power Dissipation (P) Maximum Operating Temperature Tolerance Diameter (Lead) No. of Turns Rated Temperature Orientation (Actuator) Technology Shape (Package) Law Of Resistance Construction Packing Method Size Code No. of Terminals Package Style (Meter) Terminal Shape Sub-Category Dimensions Minimum Operating Temperature Temperature Coef (ppm/Cel) Terminal Finish Length (Lead) Height (Package) Manufacturer Series Operating Voltage Additional Features Type (Actuator) Length (Package) JESD-609 Code Series Diameter (Package) Reference Standard Width (Package) Ganging Number Angle Of Rotation

3386P-1-504LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

500000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

4.83 mm

SCREW

9.53 mm

e3

9.53 mm

1

280 deg

3386R-1-100LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

10 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

4.83 mm

SCREW

9.53 mm

e3

9.53 mm

1

280 deg

3386R-1-502LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

5000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

Matte Tin (Sn)

5.97 mm

4.83 mm

SCREW

9.53 mm

e3

9.53 mm

1

280 deg

3386T-1-104LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

100000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

4.83 mm

KNOB

9.53 mm

e3

9.53 mm

1

280 deg

3386V-1-104LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

100000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386W-1-101LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

100 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386W-1-102LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

1000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386W-1-104LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

100000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386W-1-201LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

200 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386W-1-501LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

500 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386W-1-503LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

50000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386W-1-504LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

500000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386X-1-101LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

100 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386X-1-102LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

1000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386X-1-103LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

10000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386X-1-104LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

100000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386X-1-204LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

200000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386X-1-253LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

25000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386X-1-502LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

5000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386X-1-503LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

50000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

9.53 mm

SCREW

9.53 mm

e3

4.83 mm

1

280 deg

3386Y-1-502LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

5000 ohm

.5 W

125 Cel

10 %

.51 mm

1

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

3

PCB Mount

WIRE

POTENTIOMETER

-55 Cel

100

MATTE TIN

5.97 mm

4.83 mm

SCREW

9.53 mm

e3

9.53 mm

1

280 deg

3214W-1-205E

Bourns

TRIMMER

SURFACE MOUNT

2000000 ohm

.25 W

150 Cel

10 %

5

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TR, EMBOSSED, 7 INCH

1420

3

SMT

J BEND

Variable Resistors

-65 Cel

100

MATTE TIN

4.8 mm

300 V

SCREW

3.5 mm

e3

5.1 mm

1800 deg

3214X-1-204E

Bourns

TRIMMER

SURFACE MOUNT

200000 ohm

.25 W

150 Cel

10 %

5

85 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TR, EMBOSSED, 7 INCH

1420

3

SMT

GULL WING

Variable Resistors

-65 Cel

100

Matte Tin (Sn)

4.8 mm

300 V

SCREW

3.5 mm

e3

5.1 mm

1800 deg

3006P-1-101LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

100 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006P-1-102

Bourns

TRIMMER

THROUGH HOLE MOUNT

1000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006P-1-103

Bourns

POTENTIOMETER

THROUGH HOLE MOUNT

10000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006P-1-202

Bourns

POTENTIOMETER

THROUGH HOLE MOUNT

2000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Rectangular

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006P-1-503

Bourns

TRIMMER

THROUGH HOLE MOUNT

50000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006P-1-504

Bourns

TRIMMER

THROUGH HOLE MOUNT

500000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

TIN LEAD

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e0

4.83 mm

5400 deg

3006W-1-103LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

10000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006W-1-201LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

200 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006W-1-203LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

20000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006W-1-504LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

500000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

MATTE TIN

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3006Y-1-502LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

5000 ohm

.75 W

125 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

7519

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

5.33 mm

6.35 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

5400 deg

3009P-1-102LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

1000 ohm

.75 W

150 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Sealed

Tube

3

PCB Mount

WIRE

-55 Cel

100

MATTE TIN

5.33 mm

8.98 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

1

5400 deg

3009P-1-103LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

10000 ohm

.75 W

150 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Sealed

Tube

3

PCB Mount

WIRE

-55 Cel

100

MATTE TIN

5.33 mm

8.98 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

1

5400 deg

3009P-1-203LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

20000 ohm

.75 W

150 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Sealed

Tube

3

PCB Mount

WIRE

-55 Cel

100

MATTE TIN

5.33 mm

8.98 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

1

5400 deg

3009P-1-204LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

200000 ohm

.75 W

150 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Sealed

Tube

3

PCB Mount

WIRE

-55 Cel

100

MATTE TIN

5.33 mm

8.98 mm

400 V

SCREW

19.05 mm

e3

4.83 mm

1

5400 deg

3009P-1-205

Bourns

TRIMMER

THROUGH HOLE MOUNT

2000000 ohm

.75 W

150 Cel

10 %

.51 mm

15

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Sealed

Tube

3

PCB Mount

WIRE

-55 Cel

100

TIN LEAD

5.33 mm

8.98 mm

400 V

SCREW

19.05 mm

e0

4.83 mm

1

5400 deg

3266P-1-253LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

25000 ohm

.25 W

150 Cel

10 %

12

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Multi-Turn

TUBE

3

Radial

WIRE

-55 Cel

100

Matte Tin (Sn)

4.5 mm

300 V

SCREW

6.78 mm

e3

6.78 mm

1

3266P-1-500LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

50 ohm

.25 W

150 Cel

10 %

.46 mm

12

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

2625

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.78 mm

4.42 mm

3266

SCREW

6.71 mm

e3

3266

6.48 mm

4320 deg

3266P-1-501LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

500 ohm

.25 W

150 Cel

10 %

12

70 Cel

HORIZONTAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Multi-Turn

TUBE

3

Radial

WIRE

-55 Cel

100

Matte Tin (Sn)

4.5 mm

300 V

SCREW

6.78 mm

e3

6.78 mm

1

3266W-1-100LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

10 ohm

.25 W

150 Cel

10 %

12

70 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Multi-Turn

TUBE

3

Radial

WIRE

-55 Cel

100

Matte Tin (Sn)

7.24 mm

300 V

SCREW

6.71 mm

e3

4.5 mm

1

3266W-1-101LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

100 ohm

.25 W

150 Cel

10 %

12

70 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Multi-Turn

TUBE

3

Radial

WIRE

-55 Cel

100

Matte Tin (Sn)

7.24 mm

300 V

SCREW

6.71 mm

e3

4.5 mm

1

3266W-1-104

Bourns

TRIMMER

THROUGH HOLE MOUNT

100000 ohm

.25 W

150 Cel

10 %

12

70 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Multi-Turn

TUBE

3

Radial

WIRE

-55 Cel

100

TIN LEAD

7.24 mm

300 V

SCREW

6.71 mm

e0

4.5 mm

1

3266W-1-200LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

20 ohm

.25 W

150 Cel

10 %

.46 mm

12

70 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

2618

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.78 mm

7.24 mm

3266

SCREW

6.71 mm

e3

3266

4.5 mm

4320 deg

3266W-1-500LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

50 ohm

.25 W

150 Cel

10 %

.46 mm

12

70 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Trimmer Pot

TUBE

2618

3

PCB Mount

WIRE

Variable Resistors

-55 Cel

100

Matte Tin (Sn)

4.78 mm

7.24 mm

SCREW

6.71 mm

e3

4.5 mm

4320 deg

3266W-1-501LF

Bourns

TRIMMER

THROUGH HOLE MOUNT

500 ohm

.25 W

150 Cel

10 %

12

70 Cel

VERTICAL

CERMET

RECTANGULAR PACKAGE

LINEAR

Multi-Turn

TUBE

3

Radial

WIRE

-55 Cel

100

MATTE TIN

7.24 mm

300 V

SCREW

6.71 mm

e3

4.5 mm

1

Variable Resistors

Variable resistors, also known as potentiometers or rheostats, are electrical components that can adjust the resistance in a circuit. They typically consist of a resistive element and a movable wiper, which can be adjusted by a knob or a slider. By changing the position of the wiper, the resistance between two terminals of the resistor can be varied, allowing for precise control of the amount of current flowing through the circuit.

Variable resistors are commonly used in a variety of electronic applications, such as audio equipment, lighting controls, and motor speed controls. They can also be used as voltage dividers, where the resistance value can be adjusted to achieve a desired output voltage. Variable resistors come in various shapes and sizes, including rotary potentiometers, slide potentiometers, trimmers, and preset resistors.

One of the main advantages of variable resistors is their versatility, as they can be used to control a wide range of electrical parameters, such as voltage, current, and power. They can also be used for calibration and testing purposes, as they allow for precise adjustment of circuit parameters. However, variable resistors also have some limitations, such as limited lifetime due to wear and tear, and the potential for noise and instability at higher resistance values.